Brick-machine



(No Model.)

I 2 Sheets-Sheet 1. H. MARTIN.

BRICK MACHINE. 0 No. 300,000. Patented June 10,1884

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(No Model.) 7 2 Sheets-Sheet 2.

H; MARTIN.

BRICK MACHINE.

No. 300,096. Patented June 10, 1884.

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' NITED STATES ATENT rnicn.

HENRY MARTIN, OF LANCASTER, PENNSYLVANIA.

BRICK-MACHINE.

SPECIFICATION forming part of Letters Patent No. 300,096, dated June 10,1884.

Application filed February :2, 189.3. (No model.)

To all whom it may concern:

Be it known that I, HENRY MARTIN, a citizen of the United States,residing at Lancaster, in the county of Lancaster and State ofPennsylvania, have invented certain Improvements in Brick-Machines,ofwhich the following is a specification.

My invention relates to improvements in a V brick-machine upon which Ihave several IO patents, the latest being dated May 13, 1873, andnumbered 138,7 54; and the objects of my improvements are, first, toimprove the mannor of attaching the friction-band to the lever withwhich it is connected; second, to strike the molds automatically; and,third, to protect the molds should they be caught in the machine. Iattain these objects by the mechanism illustrated in the accompanyingdrawings, in which- Figure 1 is a perspective view of my ma; chine; Fig.2, a View showing the top plate and connections; Fig. 3, a view showingthe side opposite that on which the lever E works; Fig. 4, a sectionthrough the blade and the front of the gate A, and Fig. 5 a perspectiveof the jointed plates 9 and g.

Similar letters refer to similar parts throughout the several views.

The main shaft S, with the machinery which it operates, is secured atthe upper end by means of the plate P. This platehas j ournalboxes as mat each end, which carry the oper ating-shaft y. One end of the plate Pis forked to permit the cog-wheel 0, attached to the shaft to engage thecog-wheel d, which is secured to and revolves the main shaft S, theforks being connected by the cross-plate a, which carries thejournal-box w. The plate 1? with the forked end and the cross plate u 0constitute one piece, which is firmly fastened to the frame at of themachine. By this arrangement the cog-wheels of the main shaft S and theoperating-shaft y are firmly held in their relative positions. The leverD operates a friction-wheel, B, having cord and weight 0 20, whichregulates the movement of the sliding center T-the fulcrum of the leverE-by means of a friction-band, A. It is found that the band sometimesstretches to such an extent as to impair its action. To compensate forthis stretching I have fastened the end of the lever D to the end of theband at tached to the horizontal shaft S, which is held by theprojecting supports a mndc'a'fii'es a pinion, 0 c inside of each of thesupports a. These pinions engage with the racks r r, the lower ends ofwhich are attached to the gate A. The lower edge of this gate A restsupon the outer edge of a mold, and, as the mold passes under it, strikesthe surplus clay from the top thereof, being held'down by the shift- Iing weight 10, attached to the lever-arm Z, which arm extends back alongthat side of the machine on which it is placed. As the operating-crank Lmoves the lever E forward, it engages the wheel 1), and, forcing itforward,

raises the gate A, by means of the shaft S,

pinions c a", and racks r 1, just sufficiently to allow the outer edgeof an empty mold to be pushed out under it freely by the connections KX. As soon as the crank L is freed from the lever E, said lever is drawnback by the weighted, and the gate A is forced down to strike the moldabout to be discharged by the lever'arm Z and shifting weight 10.

Inside of the front plate, V, of the gate A a steel or hard-metal blade,I), is fastened by means of the screws 6, which serves more thoroughlyto strike the surplus clay from the top of the mold. The empty moldsare. put into the machine endwise through the opening 0,

.Fig. 3; but frequently, through the carelcssness of the workmen orother causes, the molds catch against the post F and are liable to becrushed by the mechanism pushing them forward, which is operated by thelever E and connections K X. This difficnlty is overcome by the workmanusing the lever D, as explained by my patent hereinbefore mentioned; butthe same result is accomplished automatically by my new improvements.The lever D is held down by the bracket f of the spring-arm G, se-

cured to the frame of the machine at Z, the spring-arm G being ofsufficient length to have IOO considerable lateral spring about thepoint Z, 1 Between the bars are placed rollers q. The

and is connected with the plate 9 by means of the rods 01 a n and thecranks H H. The plate 9 is hinged to /in aposition to be pressed againstby any mold being carried forward which was not pushed sufficiently farinto the machine, being secured to the post F on the sides next theopening 0, and having an opening through it, by which the rod a' passesthrough in order to be secured to the plate In case a mold catchesagainst the plate g, as it must when not pushed home into the machine,the plate is pushed forward, and, by' means of the cranks H H and rods nn it, draws the spring-arm G from the lever D,when the latter, beingfree, permits the action of the connection K X to be stopped, asdescribed in the improvement in my machine in my patent before cited. Asthe molds pass from the machine under the gate A, they are supported bythe table R. At the side of this table are placed knockers 7c is,consisting each of an angle-iron or of any rigid material shaped in thesame way, in which the vertical plate is secured to the side of thetable. A horizontal plate, t, is on a line with the top of the table,and the vertical plate t rises above the table. This table is formed ofbars jj and a cross-piece, 7.4.

advantage here is that the molds, when re ceived from the gate, can beshaken from sideto side, and striking against the knockers loosens thebricks in the mold and prevents them from sticking when emptiedtherefrom.

\Vhat I claim as my invention, and desire to secure by Letters Patent,is-

1. The combination of the lever-arm Z. having the wheel or pulley p, thelever E, the shaft S, having the pinions c, the supports a a, the gateA, having the racks r r, and the lever Z, having the weight w,constructed and operated substantially as set forth.

2. The combination of the lever D, thefric tion-wheel B, and thefriction-band A, the end an of which has a screw-thread cut in it, andis thereby attached to the end of the lever D by the nut V, in themanner and for the purpose specified.

3. The combination of the lever D with the arm G, having the bracket f,the rods nnn, the cranks H H, and the plate 9, hinged to the plate 9,substantially as set forth.

HENRY MARTIN.

\Vitnesses:

GEO. A..LANE, M. R. GERHARL.

